0004 Toner bottle motor's turning at abnormal timing
• The toner bottle home sensor (PS2) is not blocked or unblocked even after the set period of time has elapsed after the toner bottle motor (M3) starts rotating.

004B Toner suction fan motor's turning at abnormal timing
The motor lock signal remains HIGH for a predetermined continuous period of time while the motor is turning. 1 Check the connector between FM4-relay CN43-PRCB CN6 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM4 operation check. 4 Change FM4. 5 Change PRCB

004E Power supply cooling fan motor's failure to turn
The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary. 1 Check the connector between FM1-relay CN95-PRCB CN3 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM1 operation check 4 Change FM1 5 Change PRCB

0100 AC signal abnormality
Zero cross signal is not detected for a given period of interval when AC frequency is measured with the power switch ON or when fusing heater is turned ON/OFF. 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the fusing unit CN30-PRCB CN16, fusing unit-relay CN4AC-DCPU CN2 for proper connection and correct or change as necessary. 3 Change fusing unit 4 Change PRCB 5 Change DCPU

0300 Polygon motor rotation trouble
• The polygon motor (M9) fails to turn stably even after the lapse of a given period of time after activating the polygon motor. • Motor lock signal detects HIGH for a given period time consecutively during the polygon motor (M9) is rotating. 1 Check the connector between PH unit-PRCB CN19, CN20 for proper connection and correct as necessary. 2 Change PH unit 3 Change PRCB

0310 Laser malfunction
• SOS signal is not detected even after the lapse of a given period of time after starting the laser output. • SOS signal is not detected for a given period of time during printing. 1 Check the connector between PH unit-PRCB CN19, CN20 for proper connection and correct as necessary. 2 Change PH unit 3 Change PRCB

0500 Fusing heaters trouble (center)
• Detected temperature of the heating roller thermistor (TH2; center) does not go up a given range of temperature even after a lapse of given period of time at warm up. • The warm-up is not completed even after the set period of time has elapsed after the warm-up is started. 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit CN30-PRCB CN16, fusing unit-relay CN4AC-DCPU CN2 for proper connection and correct or change as necessary. 4 Change fusing unit 5 Change PRCB 6 Change DCPU

0501 Fusing heaters trouble (edge)
• Detected temperature of the heating roller thermistor (TH2; edge) does not go up a given range of temperature even after a lapse of given period of time at warm up. • The warm-up is not completed even after the set period of time has elapsed after the warm-up is started. 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit CN30-PRCB CN16, fusing unit-relay CN4AC-DCPU CN2 for proper connection and correct or change as necessary. 4 Change fusing unit 5 Change PRCB 6 Change DCPU

0510 Fusing abnormally low temperature detection (center)
Detected temperature of the heating roller thermistor (TH2; center) goes below a given temperature for a given period of time consecutively after warm up is completed. 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit CN30-PRCB CN16, fusing unit-relay CN4AC-DCPU CN2 for proper connection and correct or change as necessary. 4 Change fusing unit 5 Change PRCB 6 Change DCPU

0511 Fusing abnormally low temperature detection (edge)
Detected temperature of the heating roller thermistor (TH2; edge) goes below a given temperature for a given period of time consecutively after warm up is completed. 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit CN30-PRCB CN16, fusing unit-relay CN4AC-DCPU CN2 for proper connection and correct or change as necessary. 4 Change fusing unit 5 Change PRCB 6 Change DCPU

0520 Fusing abnormally high temperature detection (center)
Detected temperature of the heating roller thermistor (TH2; center) goes beyond a given temperature for a given period of time consecutively. 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit CN30-PRCB CN16, fusing unit-relay CN4AC-DCPU CN2 for proper connection and correct or change as necessary. 4 Change fusing unit 5 Change PRCB 6 Change DCPU

0521 Fusing abnormally high temperature detection (edge)
Detected temperature of the heating roller thermistor (TH2; edge) goes beyond a given temperature for a given period of time consecutively. 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit CN30-PRCB CN16, fusing unit-relay CN4AC-DCPU CN2 for proper connection and correct or change as necessary. 4 Change fusing unit 5 Change PRCB 6 Change DCPU

0900 Tray 4 lift-up failure (PC-211)
• The tray 4 upper limit sensor (PS43) is not blocked even after the set period of time has elapsed after the paper lift-up operation for the drawer began. 1 Check the connector between M43-PCCB CN4 for proper connection and correct as necessary. 2 Check the connector between M53-PCCB CN8 for proper connection and correct as necessary. 3 Check the connector between PS43-relay CN18-PCCB CN6 for proper connection and correct as necessary. 4 Check the connector between PS53-relay CN18-PCCB CN10 for proper connection and correct as necessary. 5 Check the connector of each motor for proper drive coupling, and correct as necessary. 6 PS43 I/O check, sensor check 7 PS53 I/O check, sensor check 8 M43 operation check 9 M53 operation check 10 Change PCCB 11 Change PRCB

0910 Tray 3 feeder up/down abnormality
The paper feed tray 3 upper limit sensor (PS10) is not blocked even after the lapse of a given period of time after the lifting motion has been started. 1 Check the connector between M5-PRCB CN11 for proper connection and correct as necessary. 2 Check the connector of M5 for proper drive coupling and correct as necessary. 3 Check the connector between PS10-relay CN6-PRCB CN14 for proper connection and correct as necessary. 4 PS10 I/O check, sensor check 5 M5 operation check 6 Change M5 7 Change PRCB

0920 Tray 2 feeder up/down abnormality
The paper feed tray 2 upper limit sensor (PS3) is not blocked even after the lapse of a given period of time after the lifting motion has been started. 1 Check the connector between M4-PRCB CN12 for proper connection and correct as necessary. 2 Check the connector of M4 for proper drive coupling and correct as necessary. 3 Check the connector between PS3-relay CN1-PRCB CN13 for proper connection and correct as necessary. 4 PS3 I/O check, sensor check 5 M4 operation checksor check 6 Change M4 7 Change PRCB

0950 Tray 5 lift-up failure (PC-211)
• The tray 5 upper limit sensor (PS53) is not blocked even after the set period of time has elapsed after the paper lift-up operation for the drawer began. 1 Check the connector between M43-PCCB CN4 for proper connection and correct as necessary. 2 Check the connector between M53-PCCB CN8 for proper connection and correct as necessary. 3 Check the connector between PS43-relay CN18-PCCB CN6 for proper connection and correct as necessary. 4 Check the connector between PS53-relay CN18-PCCB CN10 for proper connection and correct as necessary. 5 Check the connector of each motor for proper drive coupling, and correct as necessary. 6 PS43 I/O check, sensor check 7 PS53 I/O check, sensor check 8 M43 operation check 9 M53 operation check 10 Change PCCB 11 Change PRCB

0960 Tray 1 feeder up/down abnormality
• Paper does not unblock the tray 1 lift-up position sensor (PS20) even after the transport motor (M1) rotates for a given period of time after the position is switched from stand by position at lift-up plate to the feed position. • The tray 1 lift-up position sensor (PS20) is not blocked even after the transport motor (M1) rotates for a given period of time after the position is switched from stand by position at lift-up plate to the feed position. 1 Check the connector between M1-PRCB CN3 for proper connection and correct as necessary. 2 Check the connector of M1 for proper drive coupling and correct as necessary. 3 Check the connector between PS20-PRCB CN9 for proper connection and correct as necessary. 4 Check the connector between SD1-relay CN99-relay CN15- PRCB CN9 for proper connection and correct as necessary. 5 PS20 I/O check, sensor check 6 SD1 operation check 7 M1 operation check 8 Change M1 9 Change PRCB

0B05 Malfunctioning of belt up/down movement (FS-529)
• The belt position sensor (PS13) is not turned OFF after the set period of time has elapsed after the belt retract solenoid (SD5) is turned ON. • The belt position sensor (PS13) is not turned ON after the set period of time has elapsed after the conveyance motor/1 (M5) is turned ON. 1 Check the connector between M5-FSCB CN17 for proper connection and correct as necessary. 2 Check the connector between SD5-FSCB CN19 for proper connection and correct as necessary. 3 Check the connector between PS13-FSCB CN7 for proper connection and correct as necessary. 4 Check the connector of M5 for proper drive coupling, and correct as necessary. 5 PS13 I/O check, sensor checkheck 6 M5 operation check 7 Change M5 8 SD5 operation check 9 Change SD5 10 Change FSCB

0B20 Stapler movement drive malfunction (FS-529)
During the home position search, the stapler home sensor (PS11) is not turned ON or OFF even after the set period of time has elapsed after the stapler movement motor (M7) is turned ON. 1 Check the connector between M7-FSCB CN18 for proper connection and correct as necessary. 2 Check the connector between PS11-FSCB CN7 for proper connection and correct as necessary. 3 Check the connector of M7 for proper drive coupling, and correct as necessary. 4 PS11 I/O check, sensor check 5 M7 operation check 6 Change M7 7 Change FSCB

0B30 Alignment plate R drive malfunction (FS-529)
The alignment plate home sensor/R (PS9) is turned neither ON nor OFF even after the set period of time has elapsed after the alignment motor/R (M4) is turned ON. 1 Check the connector between M4-FSCB CN14 for proper connection and correct as necessary. 2 Check the connector between PS9-FSCB CN6 for proper connection and correct as necessary. 3 Check the connector of M4 for proper drive coupling, and correct as necessary. 4 PS9 I/O check, sensor check 5 M4 operation check 6 Change M4 7 Change FSCB

0B32 Alignment plate F drive malfunction (FS-529)
The alignment plate home sensor/F (PS8) is turned neither ON nor OFF even after the set period of time has elapsed after the alignment motor/F (M3) is turned ON. 1 Check the connector between M3-FSCB CN14 for proper connection and correct as necessary. 2 Check the connector between PS8-FSCB CN6 for proper connection and correct as necessary. 3 Check the connector of M3 for proper drive coupling, and correct as necessary. 4 PS8 I/O check, sensor check 5 M3 operation check 6 Change M3 7 Change FSCB

0B33 Leading edge stopper motor drive malfunction (FS-529)
The leading edge stopper home sensor (PS14) is not turned OFF after the set period of time has elapsed after the stapler motor (M8) is turned ON. 1 Check the connector between stapler unit -FSCB CN20 for proper connection and correct as necessary. 2 Check the connector between PS14-FSCB CN8 for proper connection and correct as necessary. 3 Check the connector of stapler unit for proper drive coupling, and correct as necessary. 4 PS14 I/O check, sensor check. 5 Change stapler unit 6 Change FSCB

0B48 Exit roller pressure/ retraction malfunction (FS-529)
The pick up roller position sensor (PS12) is turned neither ON nor OFF even after the set period of time has elapsed after the pick up roller position motor (M1) is turned ON. 1 Check the connector between M9-FSCB CN11 for proper connection and correct as necessary. 2 Check the connector between PS12-FSCB CN7 for proper connection and correct as necessary. 3 Check the connector of M1 for proper drive coupling, and correct as necessary. 4 PS12 I/O check, sensor check. 5 M1 operation check 6 Change M1 7 Change FSCB

0B50 Staple drive malfunction (FS-529)
• During the initial operation, the stapler home sensor (PS11) is not turned ON even after the set period of time has elapsed after the stapler movement motor (M7) is turned ON. • The stapler home sensor (PS11) is not turned ON after the set period of time has elapsed after the stapler motor (M8) is turned ON. 1 Check the connector between PS11-FSCB CN7 for proper connection and correct as necessary. 2 Check the connector between M7-FSCB CN18 for proper connection and correct as necessary. 3 Check the connector between stapler unit-FSCB CN20 for proper connection and correct as necessary. 4 PS11 I/O check, sensor check 5 M7 operation check. 6 Change M7 7 Change stapler unit 8 Change FSCB

0BA0 Elevate drive malfunction (FS-529)
• When the exit tray is moving up: When the tray up/down motor (M2) starts rotating with the output of the tray lower limit sensor (PS6) being ON, PS6 is not turned OFF even after the set period of time has elapsed. • The paper surface detect sensor/1 (PS2) or the paper surface detect sensor/2 (PS3) is not turned ON even after the set period of time has elapsed after the tray up/down motor (M2) starts rotating. • When the exit tray is moving down: The tray lower limit sensor (PS6) is not turned ON even after the set period of time has elapsed after the tray up/down motor (M2) starts rotating. 1 Check the connector between M2-FSCB CN12 for proper connection and correct as necessary. 2 Check the connector between PS6-FSCB CN5 for proper connection and correct as necessary. 3 Check the connector between PS2-FSCB CN4 for proper connection and correct as necessary. 4 Check the connector between PS3-FSCB CN4 for proper connection and correct as necessary. 5 Check the connector of M2 for proper drive coupling, and correct as necessary. 6 PS6 I/O check, sensor check 7 PS2 I/O check, sensor check 8 PS3 I/O check, sensor check 9 M2 operation check 10 Change M2 11 Change FSCB

0BE1 Fan motor drive malfunction (FS-529)
While the motor is rotating, the fan lock signal remains L for the set period of time. 1 Check the connector between FM1-FSCB CN19 for proper connection and correct as necessary. 2 Check the connector of FM1 for proper drive coupling, and correct as necessary. 3 FM1 operation check 4 Change FM1 5 Change FSCB

10A5 Marketing area error
• Marketing area error is detected when reading the backup media of the machine is finished. • Hardware signal is not fixed when the Boot started. 1 Disconnect and then connect the power cord. Turn OFF the power switch, wait for 10 sec. or more, and turn ON the power switch. 2 Rewrite the firmware. 3 Change PRCB

133B FNS communication error (FS-529)
When the FS control board (FSCB) is receiving data, a communication error is detected. 1 Disconnect and then connect the power cord. Turn OFF the power switch, wait for 10 sec. or more, and turn ON the power switch. 2 Rewrite the firmware. 3 JSCB F1 conduction check 4 JSCB F2 conduction check 5 Change FSCB

1340 FPGA configuration error
When a configuration check is performed on the extended IC chip (FPGA) located on the printer control board (PRCB), error is detected. 1 Reboot the machine. 2 Rewrite the firmware. 3 Change PRCB

13D0 Main backup media access error
• When an error is detected at the data reading process. • The machine writes and reads data, and judges that the data has error. Then the machine performs the same process and judges again that the data has error. • When counter values are read, error is detected. • The machine detects that it does not have EEPROM. 1 Reboot the machine. 2 Check the EEPROM on the PRCB for proper connection and correct as necessary. 3 Change PRCB 4 Change EEPROM

13F0 Engine control malfunction
Engine control malfunction is detected with port monitor control. 1 Check the connectors on the PRCB for proper connection and correct or change as necessary. 2 Rewrite the firmware. 3 Change PRCBEPR

1402 FS NVRAM memory error (FS-529)
When the power switch is turned ON, malfunctioning of the non-volatile memory on the FS control board (FSCB) is detected. 1 Disconnect and then connect the power cord. Turn OFF the power switch, wait for 10 sec. or more, and turn ON the power switch. 2 Rewrite the firmware. 3 Change FSCB

3000 Transport motor’s failure to turn
The motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary 1 Check the connector between M1-PRCB CN3 for proper connection and correct as necessary. 2 Check M1 for proper drive coupling and correct as necessary. 3 M1 operation check. 4 Change M1. 5 Change PRCB

3FFB Finisher ROM error (FS-529)
Data of flash ROM of the finishing options is determined to be faulty when the power switch is turned ON. 1 Disconnect and then connect the power cord. Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the power switch. 2 Rewrite firmware. 3 Change FSCB

6751 Gain adjustment error
Reading the white pixel output of each color from the data provided by the shading plate, the machine makes the gain adjustment for each color so that the maximum value of each color becomes within the specified range. However, after the machine attempts the adjustment three times in total (including two retries), the value is out of the specified range. 1 Reboot the main unit. 2 Clean the original glass. 3 Check the connector CN102, CN103 on MFPB for proper connection and correct as necessary. 4 Change scanner unit. 5 Change MFPB.

6790 Offset adjustment error
Reading the black pixel output of each color from the data provided by the shading plate, the machine makes the offset adjustment for each color so that the average value of each color becomes within the specified range. However, after the machine attempts the offset adjustment three times in total (including two retries), the value is out of the specified range. 1 Reboot the main unit. 2 Clean the original glass. 3 Check the connector CN102, CN103 on MFPB for proper connection and correct as necessary. 4 Change scanner unit. 5 Change MFPB.

6791 Register setting error
After the default values of AFE gain and offset are set, the machine reads the gain and offset values again. Inconsistency between the values that are set and read is found. 1 Reboot the main unit. 2 Check the connector CN102, CN103 on MFPB for proper connection and correct as necessary. 3 Change MFPB.

6792 White reference plate search error
During an initialization, the black edge and the white edge read by the shading plate cannot be detected. 1 Reboot the main unit. 2 Clean the original glass. 3 Check the connector CN102, CN103 on MFPB for proper connection and correct as necessary. 4 Change scanner unit. 5 Change MFPB.

9401 Lamp illumination check error
In the lamp stabilization check process during the lamp warm-up, light quantity does not become steady within a given period of time. 1 Reboot the main unit. 2 Clean the original glass. 3 Check the connector CN102, CN103 on MFPB for proper connection and correct as necessary. 4 Change scanner unit. 5 Change MFPB.

B116 Communication error with the fax board
An undefined communication error occurs between the controller and the fax board. 1 Check the connector CN106 on MFPB for proper connection and correct as necessary. 2 Change FAXB. 3 Change MFPB.

C027 Controller ROM error (Data error)
• Final check sum error is detected during the main unit starting. • When the main unit is started, a malfunction is detected in state confirmation process of the loadable driver. 1 Reboot the main unit. 2 Check the MFPB connector for proper connection and correct as necessary. 3 If this error message is displayed after update of firmware, conduct the firmware update procedures again. 4 Change MFPB.

C051 HDD full error
Range for user space is full during access to the hard disk kit. 1 Reboot the main unit. 2 Delete the job hold in [PS/PCL PRINT] - [PROOF/PRINT MENU] to increase the available range for user space. 3 Check the connector between HDD-MFPB CN7, CN5 for proper connection and correct as necessary. 4 Format HDD with [Admin Settings] - [HDD Format]. 5 Change HDD.

C060 Firmware update error
Firmware update fails to complete correctly during update. 1 Reboot the main unit. 2 Check the cable that has been used for update of the firmware for proper connection and correct as necessary. 3 Check the firmware update file and if the file is not the correct one, update the firmware again. 4 Check the firmware update procedure and if the procedure is not correct, update the firmware again. 5 Update the firmware again. 6 Check the MFPB connector for proper connection and correct as necessary. 7 Change MFPB.

C072 Counter not installed
The total counter (CNT) is not installed. 1 Reboot the main unit. 2 Check the connector between CNT-PRCB CN15 for proper connection and correct as necessary. 3 Change PRCB.

C074 Engine ROM error
ROM on the printer control board has error. 1 ROM on the printer control board has error.

C075 Large Paper Size Kit error
The installed large paper size kit is not compatible with the marketing area for which the MFP board is destined. 1 Install the large paper size kit appropriate for the marketing area. 2 Change MFPB.

C076 Copy Kit Counter error
The current count value of the copy kit counter reaches the setting configured in [Max. Allowance Set]. 1 Increase the setting configured in [Max. Allowance Set] and turn the power switch OFF and ON. I.10.6 Copy Kit Counter 2 If the copy kit counter is not used, change the copy kit counter count setting to mode 1 and then turn the power switch OFF and ON. I.10.5 Copy Kit Counter Count 3 Change MFPB.